Guard frame for an exerciser



FIG. 1 is a perspective view of a guard frame for an exerciser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is another perspective view of the design; and,

FIG. 9 is a right side elevational view thereof, wherein the broken line showing of the exerciser structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a guard frame for an exerciser, as shown and described. 